[Event "World U20-ch12 Preliminaries A"]
[Site "Teeside"]
[Date "1973.07.17"]
[Round "2"]
[White "Campos Ruiz, Alberto"]
[Black "Beliavsky, Alexander G"]
[Result "0-1"]

1. Nf3 c5 2. b3 Nc6 3. Bb2 Nf6 4. d4 cxd4 5. Nxd4 g6 6. e3 Bg7 7. Nxc6 bxc6 8. Be2 O-O 9. O-O a5 10. a4 Qc7 11. Ra2 d5 12. Nd2 e5 13. Re1 Bb7 14. Qa1 Nd7 15. c4 Ba6 16. Ba3 Rfe8 17. Qc1 Qb6 18. Rc2 Rec8 19. Bf1 e4 20. Qb1 Ne5 21. Rcc1 Qd8 22. Bb2 Qh4 23. Bxe5 Bxe5 24. g3 Qd8 25. Red1 Qb6 26. Qa2 Rd8 27. cxd5 cxd5 28. Bxa6 Qxa6 29. Nf1 Qb6 30. Rc2 Rab8 31. Nd2 Qa6 32. Nf1 Qb6 33. Nd2 h5 34. Rdc1 Qa6 35. Rc6 Qe2 36. Qc2 Kg7 37. Kg2 h4 38. Qd1 h3+ 39. Kg1 Qxd1+ 40. Rxd1 d4 41. Rcc1 dxe3 42. fxe3 f5 43. Kf2 Bf6 44. Rc7+ Kh6 45. Ke2 Rd3 46. Rc5 Bg5 47. Nf1 Rbxb3 48. Rxd3 exd3+ 49. Kd2 Be7 0-1